1453461921398 has 8 divisors (see below), whose sum is σ = 2180551543680. Its totient is φ = 726611406840.

The previous prime is 1453461921349. The next prime is 1453461921437. The reversal of 1453461921398 is 8931291643541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1453461921398² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59761733 + ... + 59786048.

It is an arithmetic number, because the mean of its divisors is an integer number (272568942960).

Almost surely, 2^{1453461921398} is an apocalyptic number.

1453461921398 is a deficient number, since it is larger than the sum of its proper divisors (727089622282).

1453461921398 is a wasteful number, since it uses less digits than its factorization.

1453461921398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119553862.

The product of its digits is 5598720, while the sum is 56.

The spelling of 1453461921398 in words is "one trillion, four hundred fifty-three billion, four hundred sixty-one million, nine hundred twenty-one thousand, three hundred ninety-eight".